In my opinion, the best alias should be based on the entire catalogue of that alias, in which case I would vote for Choobychooby.

Otherwise AccentuateNegative gets my vote.

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Dad was flammable

What kind of relationships? Romantic, family, pets, world leaders? Comments about or descriptions of? Etc etc?

"Significant other" ones was my original interpretation, but since I've only had 4 entries so far, you can now enter a strip about your relationship with anything from your toaster to your pet budgie to your right hand.

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Please replace the handset, and try again.

Three made me chuckle, but TheNewSoup's made me laugh hardest.

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I ate a hooker half a bottle of knife.